<template>
    <div class="login-wrap">
        <div class="ms-login">
            <div class="ms-title">教学一体化管理系统</div>
            <el-form :model="param" :rules="rules" ref="login" label-width="0px" class="ms-content">
                <el-form-item prop="username">
                    <el-input v-model="param.username" placeholder="username">
                        <el-button slot="prepend" icon="el-icon-lx-people"></el-button>
                    </el-input>
                </el-form-item>
                <el-form-item prop="password">
                    <el-input type="password" placeholder="password" v-model="param.password" @keyup.enter.native="submitForm()">
                        <el-button slot="prepend" icon="el-icon-lx-lock"></el-button>
                    </el-input>
                </el-form-item>
                <div class="login-btn">
                    <el-button type="primary" @click="submitForm()">登录</el-button>
                </div>
                <p class="login-tips">Tips : 用户名和密码随便填。</p>
            </el-form>
        </div>
    </div>
</template>

<script>
export default {
    data() {
        return {
            //这里定义了原始参数
            param: {
                username: 'admin',
                password: '123456'
            },
            //这里定义了rules规则
            rules: {
                username: [{ required: true, message: '请输入用户名', trigger: 'blur' }],
                password: [{ required: true, message: '请输入密码', trigger: 'blur' }]
            }
        };
    },
    methods: {
        submitForm() {
            this.$refs.login.validate((valid) => {
                if (valid) {
                    //这里表示的是参数校验成功...
                    //我们应该向服务器发送登陆请求...
                    this.$axios.post('/api/users/login', this.param).then(
                        (resp) => {
                            //服务器的响应
                            if (!resp.data.code) {
                                //就代表的是返回0这个状态码
                                this.$message.success('登录成功');
                                //将token存储到Cookie中
                                this.$cookie.set('token',resp.data.dataMap.token, { expires: 30 })
                                //将用户id存储到Cookie中
                                this.$cookie.set('userId',resp.data.dataMap.userId, { expires: 30 })
                                //将用户名存储到Cookie中
                                this.$cookie.set('username',resp.data.dataMap.username, { expires: 30 })
                                this.$cookie.set('lastLoginTime',resp.data.dataMap.lastLoginTime, { expires: 30 })
                                this.$cookie.set('photo',resp.data.dataMap.photo, { expires: 30 })
                                this.$router.push('/');
                            }else{
                                this.$message.error('登陆失败...');
                            }
                        },
                        (error) => {
                            //服务器出错
                            this.$message.error('登陆失败...:'+error.message);
                        }
                    );
                } else {
                    this.$message.error('请输入账号和密码');
                    console.log('error submit!!');
                    return false;
                }
            });
        }
    }
};
</script>

<style scoped>
.login-wrap {
    position: relative;
    width: 100%;
    height: 100%;
    background-image: url(../../assets/img/login-bg.jpg);
    background-size: 100%;
}
.ms-title {
    width: 100%;
    line-height: 50px;
    text-align: center;
    font-size: 20px;
    color: rgb(31, 28, 28);
    border-bottom: 1px solid #ddd;
}
.ms-login {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 350px;
    margin: -190px 0 0 -175px;
    border-radius: 5px;
    background: rgba(255, 255, 255, 0.3);
    overflow: hidden;
}
.ms-content {
    padding: 30px 30px;
}
.login-btn {
    text-align: center;
}
.login-btn button {
    width: 100%;
    height: 36px;
    margin-bottom: 10px;
}
.login-tips {
    font-size: 12px;
    line-height: 30px;
    color: #fff;
}
</style>